Do you know someone whose moods swing wildly? Do they act unreasonably suspicious or antagonistic? Do they blame others for their own problems? When a high-conflict person (HCP) has one of five common personality disorders-borderline, narcissistic, paranoid, antisocial, or histrionic-they can lash out in risky extremes of emotion and aggression. And once an HGP decides to target you, they're hard to shake. But there are ways to protect yourself. Using...